Eternal Summer - Chuck Chapman, 2012, SPEC-X, 20" . E + Rebloom, Self. Violet-purple with white lines at hafts and beards that are yellow in throat, blue-violet in middle and ends. I. aphylla cross. From the 2022 Rebloom Checklist: Rebloom reported in: IL, MT, OR, WI, Ontario. USDA Zones 4a, 4b, 5, 8. Reliable rebloom in Wisconsin. A plain flower but just keeps sending up bloomstalks in our garden continually form June thru September.